[Mac] Main Menu Not Visible

When opening the game on a Mac device, the main menu is missing and players cannot select any options to start a game.

Workaround: 

1. Go to your system settings and select Display
2. Set your resolution to the highest setting and relaunch the game
3. Set the resolution in-game to your system's default
4. Exit the game
5. Change your system resolution back to Default and relaunch the game